Curlwaa flood map & planning overlays

A planning-constraint profile of Curlwaa (Wentworth, NSW) - 32.93 km², mapped from live council and state overlay data. This suburb is highly constrained.
Profile updated 10 September 2026.

Elevation hillshade with street names, clipped to Curlwaa's boundary, with the flood, bushfire and environmental overlays drawn on top.

Nearby suburbs, nearest first

Curlwaa at a glance

Parcels 428 Median lot 14,248 m²

How Curlwaa is zoned

Primary Production 48%
Primary Production Small Lots 40%
Natural Waterways 7%
Large Lot Residential 3%
Infrastructure 2%
PCRZ 0%

Buying in Curlwaa? The zoning, flood and bushfire lines on the section 10.7 certificate attached to the contract are mapped controls - see our s10.7 certificate guide.

Across its 32.93 km², Curlwaa is highly constrained by planning overlays. About 41% of the suburb sits within a mapped flood overlay, and 44% is flagged bushfire-prone. There are 8 heritage-listed sites on record, and the dominant land-use zone is Primary Production. The median lot measures about 14,248 m² across 428 parcels.

Who lives in Curlwaa

Census 2021 figures published by the ABS for the Curlwaa suburb boundary itself, not a wider region.

Population
496
usual residents, 2021
Median age
42
years
Median household income
$1,589
per week, Wentworth suburb typical $1,589
Median rent
$200
per week, Wentworth suburb typical $188
Median mortgage
$1,083
per month
Household size
2.5
people, average

Socio-economic standing

ABS SEIFA 2021 ranks every Australian suburb. Decile 1 is the most disadvantaged tenth of the country, decile 10 the least.

Advantage and disadvantage (IRSAD) Decile 5
most disadvantagedleast disadvantaged

Score 973, and decile 4 within New South Wales. The national average is 1000.

Relative disadvantage (IRSD) Decile 6
most disadvantagedleast disadvantaged

Age profile

Share of Curlwaa's 496 residents in each ABS age band.

0-4 8.3%
5-14 11.4%
15-19 3.2%
20-24 2.8%
25-34 14.4%
35-44 11.6%
45-54 11.4%
55-64 17.0%
65-74 13.6%
75-84 4.9%
85+ 1.4%

Population trend, 2001 to 2025

Estimated resident population of Wentworth - Buronga, the wider ABS statistical area containing Curlwaa. There is no annual population series published at suburb level, so this describes the surrounding area rather than Curlwaa itself.

6,179 in 2001 to 6,904 in 2025, up 12%.

Source: ABS Census 2021 and SEIFA 2021 (Suburbs and Localities), Regional Population (SA2), CC BY 4.0. Small counts are randomly adjusted by the ABS.

Curlwaa data sources and coverage

“Not mapped” means we hold no source layer for this suburb - never an all-clear.

DatasetCoveragePublisher
Flood mappingMappedNSW Government spatial services, NSW ePlanning and published council flood studies
Bushfire-prone mappingMappedNSW Government spatial services, NSW ePlanning and published council flood studies
ZoningMappedNSW Government spatial services, NSW ePlanning and published council flood studies
Heritage and environmentMapped where publishedNSW Government spatial services, NSW ePlanning and published council flood studies
Aircraft noise contours (ANEF)Not heldNSW Government spatial services, NSW ePlanning and published council flood studies, Defence
Observed flight pathsNot watchedadsb.lol, under the Open Database License
DemographicsAvailableAustralian Bureau of Statistics (2021 Census and SEIFA)

Profile last materially updated 10 September 2026. See the methodology and full source list. Source data changes over time and critical decisions should be checked with the responsible authority.

Check a specific Curlwaa address

See exactly which overlays touch a single property - the interactive map is free. Need it on paper? A full planning PDF is just $9.

Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and an indicative AS 2870 site class for a Curlwaa lot.

See what's in the $9 report →

Curlwaa planning - frequently asked

Is Curlwaa flood-prone?

About 41% of Curlwaa falls within a mapped flood overlay, against the council-wide suburb average of 13%.

Is Curlwaa bushfire-prone?

Around 44% of Curlwaa is mapped as bushfire-prone, compared with a Wentworth average of 73%.

What is the zoning in Curlwaa?

The dominant planning zone in Curlwaa is Primary Production, though the suburb also includes Primary Production Small Lots and Natural Waterways.

Does Curlwaa have heritage-listed places?

Curlwaa has 8 heritage-listed places on record.

What is the typical lot size in Curlwaa?

Across 428 surveyed parcels in Curlwaa, the median lot size is about 14,248 m².

What is the population of Curlwaa?

At the 2021 Census Curlwaa had 496 usual residents, with a median age of 42 and an average household size of 2.5 people. The wider Wentworth - Buronga statistical area, which contains Curlwaa, went from 6,179 people in 2001 to 6,904 in 2025, up 12%.

Is Curlwaa an advantaged suburb?

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Curlwaa scores 973 and sits in decile 5 of 10 nationally and decile 4 within New South Wales (decile 1 is the most disadvantaged tenth, decile 10 the least).

What is the median household income in Curlwaa?

Median household income in Curlwaa was $1,589 a week at the 2021 Census, against $1,589 for the typical suburb in Wentworth. Median rent was $200 a week and the median mortgage repayment $1,083 a month.

Compare nearby suburbs

Nearby suburbDistanceFlood mappedBushfire-prone
Dareton 5.6 km 55% 2%
Coomealla 12.1 km 9% 68%
Pomona 12.4 km 3% 3%
Boeill Creek 12.6 km 95% 71%
Mourquong 18.1 km 15% 57%
Buronga 20.9 km 34% 59%
Gol Gol 23.8 km 16% 16%
Wentworth 26.8 km 8% 96%
Trentham Cliffs 30.0 km 6% 50%
Ellerslie 31.8 km 0% 58%

See all Wentworth suburb profiles →